Optimizing risk stratification in heart failure and the selection of candidates for heart transplantation Tiago Pereira-da-Silva, Rui M. Soares, Ana Luísa Papoila, Iola Pinto, Joana Feliciano, Luís Almeida-Morais, Ana Abreu, Rui Cruz Ferreira

Cardiopulmonary exercise testing in clinical practice: Principles, applications, and basic interpretation Hélder Dores, Miguel Mendes, Ana Abreu, Anaí Durazzo, Cidália Rodrigues, Eduardo Vilela, Gonçalo Cunha, José Gomes Pereira, Luísa Bento, Luís Moreno, Paulo Dinis, Sandra Amorim, Susana Clemente, Mário Santos

Prognostic value of a new cardiopulmonary exercise testing parameter in chronic heart failure: oxygen uptake efficiency at peak exercise — comparison with oxygen uptake efficiency slope Alexandra Toste, Rui Soares, Joana Feliciano, Valeska Andreozzi, Sofia Silva, Ana Abreu, Ruben Ramos, Ninel Santos, Lurdes Ferreira, Rui Cruz Ferreira